Commit Graph

27 Commits

Author SHA1 Message Date
Richard Henderson
8cf777d667 * as.h (enum _relax_state): Add rs_leb128.
* read.c (potable): Add sleb128 and uleb128.
        (sizeof_*leb128, output_*leb128, emit_leb128_expr, s_leb128): New
        functions.
        * read.h: Update prototypes.
        * symbols.c (resolve_symbol_value): Streamline quite a bit.  Return
        the symbol value, add a second FINALIZE argument that prevents
        changes from being comitted.  Update all callers.
        * write.c (cvt_frag_to_fill, relax_segment): Handle rs_leb128.
        * doc/as.texinfo: Document the new pseudos.
1997-08-12 05:42:00 +00:00
Ian Lance Taylor
011d16ac04 update copyrights 1996-02-07 19:36:48 +00:00
Ian Lance Taylor
e24cf2b556 * write.c (write_relocs): Use S_IS_DEFINED and S_IS_COMMON rather
than comparing S_GET_SEGMENT to undefined_section.
	(write_object_file): Skip symbols which were equated to an
	undefined or common symbol.
	* symbols.c (resolve_symbol_value): Use S_IS_DEFINED and
	S_IS_COMMON rather than comparing S_GET_SEGMENT to
	undefined_section.
	(S_GET_VALUE): Likewise.  Avoid recursion problems if S_IS_DEFINED
	or S_IS_COMMON call S_GET_VALUE.
	* config/obj-aout.h (S_IS_COMMON): Define if not BFD_ASSEMBLER.
	* config/obj-aout.c (obj_emit_relocations): If a reloc is equated
	to an undefined or common symbol, convert the reloc to be against
	the target symbol.
	(obj_crawl_symbol_chain): Skip symbols which were equated to an
	undefined or common symbol.
	* config/obj-bout.h (S_IS_COMMON): Define if not BFD_ASSEMBLER.
	* config/obj-bout.c (obj_emit_relocations): If a reloc is equated
	to an undefined or common symbol, convert the reloc to be against
	the target symbol.
	(obj_crawl_symbol_chain): Skip symbols which were equated to an
	undefined or common symbol.
	* config/obj-coff.c (do_relocs_for): Use S_IS_DEFINED and
	S_IS_COMMON rather than comparing S_GET_SEGMENT to
	undefined_section.
	(yank_symbols): Skip symbols which were equated to an undefined or
	common symbol.
1996-02-02 17:46:05 +00:00
Ken Raeburn
a2a5a4fa41 fsf address update 1995-07-06 21:18:08 +00:00
David MacKenzie
def66e248c * as.h: Replace flagseen with separate variables.
* as.c (parse_args): Set them.  Don't accept -1 option, or -v
	explicitly (it's a synonym for --version).
	* as.c, input-scrub.c, messages.c, read.c, symbols.c, write.c,
	config/obj-aout.c, config/obj-aout.h, config/obj-bout.c,
	config/obj-bout.h, config/obj-coff.c, config/obj-coff.h,
	config/obj-vms.c, config/tc-hppa.c, config/tc-i386.c,
	config/tc-i960.c, config/tc-m68k.c, config/tc-mips.c,
	config/tc-vax.c: Use the new flag variables instead of flagseen.
	* config/tc-vax.c [OBJ_VMS]: Recognize -+, -1, -v, and document in
	usage.
1994-06-03 20:59:20 +00:00
Ken Raeburn
98c6bbbe43 * as.h: If __GNUC__ and inline are both undefined, define inline away.
* write.c (cvt_frag_to_fill): Don't assume that fr_var for rs_align or rs_org
frags will be 1.
(relax_segment): For rs_align, if fr_var is not 1, complain if
required padding is not a multiple of the size of the pad pattern.
(fixup_segment): Leave gp-relative relocations alone.  For pcrel relocations
referring to the same segment, clear fx_pcrel when clearing fx_addsy.
* as.h: Adjust comments on rs_align.

* write.c, config/obj-{aout,bout,coff*}.c, config/tc-sparc.c: Query the fx_done
field instead of fx_addsy to see if the fixup still needs to be applied.  Set
fx_done and clear fx_addsy both, for now.  If TC_HANDLES_FX_DONE isn't defined,
assume md_apply_fix will only clear fx_addsy, and set fx_done accordingly after
returning.
* config/tc-sparc.h (TC_HANDLES_FX_DONE): Define.

* config/obj-coff.c (dot_text_symbol, dot_data_symbol, dot_bss_symbol): Defined
here, static.

* config/obj-aout.c [BFD_ASSEMBLER]: Undef NO_RELOC before including aout/aout64.h.

* write.c (write_object_file): If EMIT_SECTION_SYMBOLS is false, don't write
out a section symbol even if it's used in a relocation; assume relocations will
handle section numbers somehow.  Rename "punt_it" label to "punt_it_if_unused"
to reflect it's true use.
(EMIT_SECTION_SYMBOLS): Default to 1.
(adjust_reloc_syms): Don't create a new symbol for an absolute
reference; just use the absolute section symbol.
(write_relocs): Make printout of reloc values dependent on flag DEBUG3, not
DEBUG2.
* config/obj-aout.h (EMIT_SECTION_SYMBOLS): Define as 0.
* config/obj-ecoff.h (EMIT_SECTION_SYMBOLS): Ditto.
1994-01-28 01:21:53 +00:00
Ken Raeburn
c999fd9fc2 * config/tc-vax.c (tc_aout_fix_to_chars): Local variable NBYTES_R_LENGTH now
const.

* config/obj-*.c, config/tc-*.c: Omit superfluous "return" statements at ends
of functions.  Don't check for null return from hash_new, since it won't return
at all if there's no memory available.  Also, check for null return from
hash_insert, rather than zero-length string, as success indicator.
1993-12-16 21:31:22 +00:00
Ian Lance Taylor
4f0bccc7d8 Some more gcc lint, and:
* read.c (change_to_section): Removed.  This is now done by
	subseg_new.
	(get_stab_string_offset): Rearranged somewhat.  Create the section
	using subseg_new.  Store the string index in seg_info, rather than
	in a static variable.  Force the first string to be empty.  Use
	frag_more rather than FRAG_APPEND_1_CHAR.
	(s_stab_generic): Rewrote.
	* subsegs.h (segment_info_type): Added stabu union.
	* subsegs.c (subseg_new): Initialize stab_string_size to 0.
	* config/obj-aout.c: Don't include aout/stab_gnu.h.
	(obj_aout_stab, obj_aout_desc): Removed.
	(obj_pseudo_table): Removed desc and stabX entries.
	* config/obj-bout.c: Same changes as config/obj-aout.c.
	* config/obj-bout.h (S_SET_TYPE): Define.
	(tc_bout_fix_to_chars): Declare.
	* config/obj-coff.c (obj_coff_stab): Removed.
	(obj_pseudo_table): Removed desc and stabX entries.
	* config/obj-coff.h (SEPARATE_STAB_SECTIONS): Define.
	* config/obj-coffbfd.c (current_stab_symbol): Removed.
	* config/obj-coffbfd.h (obj_symbol_type): Removed n_strx, n_type,
	n_other, n_desc and n_value fields.
	(S_{S,G}ET_{OFFSET,OTHER,TYPE,DESC}): Removed.
	(MAKE_STAB_SYMBOL): Removed.
	* config/obj-ecoff.c (obj_ecoff_stab): Renamed to ecoff_stab.
	Changed arguments and removed parsing code.
	(obj_pseudo_table): Removed stabX entries.
	* config/obj-ecoff.h (ecoff_stab): Declare.
	(OBJ_PROCESS_STAB): Define.
	* config/obj-elf.c: Don't include aout/stab_gnu.h.
	(obj_elf_stab, obj_elf_xstab, obj_elf_desc,
	elf_stab_symbol_string, elf_stab_symbol, obj_elf_stab_generic):
	Removed.
	(obj_pseudo_table): Removed desc, stabX and xstabs entries.
	(obj_elf_version): Use subseg_new, not bfd_make_section.  Don't
	set SEC_LOAD for .note section.
	(adjust_stab_sections): Get frag pointer from seg_info, rather
	than looking through frags.
	* config/obj-elf.h (S_{S,G}ET_{OTHER,TYPE,DESC}): Removed.
	(SEPARATE_STAB_SECTIONS, INIT_STAB_SECTION, OBJ_PROCESS_STAB):
	Define.
	* config/obj-vms.c (obj_aout_stab): Removed.
	(obj_pseudo_table): Removed stabX entries.
	* config/obj-vms.h (S_SET_TYPE): Define.
1993-09-14 17:58:35 +00:00
Ian Lance Taylor
5ac34ac37e * Extensive changes to permit symbols to contain any expression
type and to delay the computation of the expression until the
	value is actually needed.  This permits setting symbols to values
	calculated based on object code size.  Expressions were changed to
	no longer be in a section, to stop the overloading of segment and
	expression type that previously occurred.

	* as.c (big_section, pass1_section, diff_section, absent_section):
	Removed.
	(expr_section): Added (used for dummy symbols which hold
	intermediate expression values).
	(perform_an_assembly_pass): Create expr_section, do not create the
	sections now removed.
	* as.h (segT): Removed SEG_ABSENT, SEG_PASS1, SEG_BIG, and
	SEG_DIFFERENCE.  Added SEG_EXPR.
	(SEG_NORMAL): Corresponding changes.
	* subsegs.c (seg_name, subsegs_begin): Changed accordingly.
	* write.c (write_object_file): Ditto.
	* config/obj-aout.c (seg_N_TYPE): Ditto.
	* config/obj-bout.c (seg_N_TYPE): Ditto.
	* config/obj-coff.c (seg_N_TYPE): Ditto.
	* config/obj-coffbfd.c (seg_N_TYPE): Ditto.
	* config/obj-vms.c (seg_N_TYPE): Ditto.

	* expr.h (operatorT): Moved in from expr.c, added some values.
	(expressionS): Added X_op field, removed X_seg field; renamed
	X_subtract_symbol to X_op_symbol.
	* expr.c: Extensive changes to assign expression types rather than
	sections and to simplify the parsing.
	* write.c (fix_new_internal): New static function.
	(fix_new): Removed sub_symbol argument.
	(fix_new_exp): New function, takes expression argument.
	* write.h: Prototype changes for fix_new and fix_new_exp.
	* cond.c (s_if): Changed accordingly.
	* read.c (s_lsym, pseudo_set, emit_expr, parse_bitfield_cons,
	parse_repeat_cons, get_segmented_expression,
	get_known_segmented_expression, get_absolute_expression): Ditto.
	* symbols.c (resolve_symbol_value, S_GET_VALUE, S_SET_VALUE):
	Ditto.
	* write.c (write_object_file): Ditto.
	* config/obj-coff.c (obj_coff_def, obj_coff_val): Ditto.
	* config/obj-coffbfd.c (obj_coff_def, obj_coff_val,
	obj_coff_endef, yank_symbols): Ditto.
	* config/obj-elf.c (obj_elf_stab_generic, obj_elf_size): Ditto.
	* config/tc-a29k.c (md_assemble, parse_operand, machine_ip,
	print_insn, md_operand): Ditto.
	* config/tc-h8300.c (parse_exp, colonmod24, check_operand,
	do_a_fix_imm, build_bytes): Ditto.
	* config/tc-h8500.c (parse_exp, skip_colonthing, parse_reglist,
	get_specific, check, insert, md_convert_frag): Ditto.
	* config/tc-hppa.c (the_insn, fix_new_hppa, cons_fix_new_hppa,
	md_assemble, pa_ip, getExpression, getAbsoluteExpression,
	evaluateAbsolute, pa_build_unwind_subspace, pa_entry,
	process_exit): Ditto.
	* config/tc-hppa.h (STAB_FIXUP, is_DP_relative, is_PC_relative,
	is_complex): Ditto.
	* config/tc-i386.c (pe, md_assemble, i386_operand,
	md_estimate_size_before_relax, md_create_long_jump): Ditto.
	* config/tc-i860.c (md_assemble, getExpression, print_insn):
	Ditto.
	* config/tc-i960.c (parse_expr, subs, segs, md_convert_frag,
	get_cdisp, mem_fmt, parse_ldconst, relax_cobr, s_sysproc,
	i960_handle_align): Ditto.
	* config/tc-m68k.c (struct m68k_exp, struct m68k_it, seg, op,
	subs, add_fix, isvar, m68k_ip, md_assemble, md_convert_frag_1,
	md_estimate_size_before_relax, md_create_long_jump, get_num):
	Ditto.
	* config/tc-m88k.c (md_assemble, get_imm16, get_pcr,
	md_create_short_jump, md_create_long_jump): Ditto.
	* config/tc-mips.c (md_assemble, append_insn, gp_reference,
	macro_build, macro, my_getExpression): Ditto.  Also removed
	get_optional_absolute_expression; just use get_absolute_expression
	instead.
	* config/tc-ns32k.c (get_addr_mode, evaluate_expr, convert_iif,
	fix_new_ns32k, fix_new_ns32k_exp, cons_fix_new_ns32k): Ditto.
	* config/tc-ns32k.h (fix_new_ns32k prototype): Ditto.
	* config/tc-sh.c (parse_exp, check, insert, md_convert_frag):
	Ditto.
	* config/tc-sparc.c (md_assemble, sparc_ip, getExpression,
	print_insn): Ditto.
	* config/tc-tahoe.c (struct top, md_estimate_size_before_relax,
	tip_op, md_assemble): Ditto.
	* config/tc-vax.c (seg_of_operand, md_assemble,
	md_estimate_size_before_relax, md_create_long_jump): Ditto.
	* config/tc-z8k.c (parse_exp, check_operand, newfix): Ditto.
1993-07-21 00:41:42 +00:00
Ian Lance Taylor
5868b1fe68 * Removed sy_forward and replaced it with an undefined expression
as the value of a symbol.
	* struc-symbol.h (struct symbol): Removed sy_forward field.  Added
	sy_resolved and sy_resolving single bit fields.
	* symbols.c (symbol_new): Don't initialize sy_forward field.
	(resolve_symbol_value): New function to adjust symbol value by
	fragment address, using recursion to resolve forward symbols.
	* symbols.h: Added prototype for new function.
	* read.c (pseudo_set): Set symbolP->sy_value to an undefined
	expression rather than setting symbolP->sy_forward.
	* write.c (write_object_file): Use resolve_symbol_value on
	symbols, keeping the common case (the old behaviour) inline.
	* config/obj-aout.c (obj_aout_frob_symbol): Removed sy_forward
	handling (subsumed by write.c change).
	* config/obj-coff.c, config/obj-coffbfd.c (obj_coff_val): Set
	sy_value rather than sy_forward.
	* config/obj-coffbfd.c (obj_coff_endef, yank_symbols): Check
	expression segment rather than sy_forward.
	(yank_symbols): Use resolve_symbol_value.
	(crawl_symbols): Removed extra pass over symbols.
	* config/obj-aout.c, config/obj-bout.c, config/obj-coff.c,
	config/obj-vms.c (obj_crawl_symbol_chain): Removed extra pass over
	symbols which handled sy_forward; use resolve_symbol_value
	instead.
	* config/obj-coff.h, config/obj-coffbfd.h (obj_frob_forward_symbol):
	Define.
	* config/obj-elf.c (obj_elf_stab_generic): Check expression
	segment rather than sy_forward.
	* config/obj-vms.c (VMS_Check_For_Main): Don't initialize
	sy_forward; do initialize sy_resolved and sy_resolving.
	* config/tc-hppa.h (STAB_FIXUP): Use sy_value, not sy_forward.
1993-07-14 22:21:25 +00:00
Ian Lance Taylor
85051959f4 * Changes to keep a full expression as the value of a symbol, not
just a longword:
	* struc-symbol.h: New field sy_value.
	* as.h: Include expr.h before struc-symbol.h.
	* expr.h: Use struct symbol rather than symbolS.
	* symbols.c (S_GET_VALUE, S_SET_VALUE): Rewrote to retrieve value
	of sy_value field; compile unconditionally, not just if
	BFD_ASSEMBLER.
	* symbols.h: Compile S_{SG}ET_VALUE prototypes unconditionally.
	* write.c (write_object_file): Set BFD symbol value to gas symbol
	value.
	* config/obj-aout.h, config/obj-bout.h, config/obj-coff.h,
	config/obj-coffbfd.h, config/obj-generic.h, config/obj-vms.h
	(S_GET_VALUE, S_SET_VALUE): Removed macro definitions.
	* config/obj-ieee.c (S_GET_VALUE, S_SET_VALUE): Removed.
	* config/obj-coff.h, obj-coffbfd.h: Rewrote several macros to use
	S_GET_VALUE rather than ost_entry.n_value.
	* config/obj-aout.c (obj_symbol_to_chars), config/obj-bout.c
	(obj_symbol_to_chars), config/obj-coff.c (obj_symbol_to_chars),
	config/obj-coffbfd.c (symbol_to_chars): Get value to write out
	using S_GET_VALUE--don't assume it is already set.
	* config/obj-ieee.c (do_symbols): Set BFD symbol value to gas
	symbol value.
	* config/obj-vms.c (various): Don't assign directly to
	S_GET_VALUE; use S_SET_VALUE instead.
1993-07-14 19:35:45 +00:00
Ken Raeburn
f3abc7b25a deleted emacs local variables comments 1993-02-24 11:19:58 +00:00
Ken Raeburn
355afbcd8b Ran "indent", for GNU coding style; some code & comments still need fixup.
Removed some unneeded files.

obj-coff.c (obj_coff_endef): Use as_warn, not fprintf.
tc-m68k.c (md_assemble): 68000+68881 is okay -- could be emulating.
1992-11-23 20:42:33 +00:00
Ian Lance Taylor
8ae35e5919 Fri Aug 28 16:25:22 1992 Ian Lance Taylor (ian@cygnus.com)
* obj-bout.h, obj-bout.c (obj_header_append, obj_symbol_to_chars),
	tc-i960.c (md_ri_to_chars): Always output bout object file in
	little endian byte order (used to use endianness of host).
1992-08-29 00:16:47 +00:00
Ken Raeburn
09952cd955 mainly link-relax changes 1992-08-19 14:42:21 +00:00
Steve Chamberlain
462088b886 * write.c (fixup_segment): if relaxing, don't do anything.
* config/obj-bout.[ch] : maintain the a_relaxable file header info
	* config/tc-i960.c: new option -linkrelax
1992-07-16 15:22:26 +00:00
K. Richard Pixley
a87b326934 White space and comment changes, and #ifdef __STDC__ becomes #if
__STDC__ == 1.
1992-02-15 21:09:34 +00:00
K. Richard Pixley
0117086004 All files over ~5 lines get copylefted. All copylefted files get
copylefted 1992.
1992-02-13 09:49:39 +00:00
K. Richard Pixley
1d63ba3ba0 remove all rcs keywords 1992-02-13 08:39:15 +00:00
K. Richard Pixley
a39116f1c9 White space and comments only. The devo tree prior to this delta is
tagged as "vanilla" for your convenience.

There are also some comment changes.
1992-02-13 08:33:54 +00:00
Steve Chamberlain
86c094f212 Now can list for bout format too 1992-01-25 01:46:19 +00:00
K. Richard Pixley
b97ea9edf0 ugly bug in relocation emission 1991-11-05 22:00:51 +00:00
K. Richard Pixley
a79c6033ed * no more relocation_info structures. We now squirt directly from
fixS's.

* i960-bout and i960-coff "tested" against their predecessors.
1991-08-14 00:26:06 +00:00
K. Richard Pixley
6026cd06e0 Version 2 GPL. 1991-06-14 14:04:55 +00:00
K. Richard Pixley
d1a9e59485 Buying into ../include and ../libiberty. 1991-05-18 02:15:32 +00:00
K. Richard Pixley
3cc6716da4 CROSS_ASSEMBLE becomes CROSS_COMPILE to make config simpler. i386
support for aout now tested against an installed customers sun4 cross.
Added REVERSE_SORT_RELOCS.
1991-04-08 15:49:47 +00:00
K. Richard Pixley
fecd2382e7 Initial revision 1991-04-04 18:19:53 +00:00